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Proper treatment of feedwater is the most important task in operating any boiler. The feedwater is made from a mixture of fresh water and recovered condensed water—or return water—which is purified in a multitude of degrees. When steam is released from a boiler, the minerals and gases contained in the heated water become concentrated and form deposits that become hazardous to the boiler and its connected components. These deposits result in poor heat transfer, reduced efficiency, scale, and biological fouling. Scale that collects and forms inside the boiler has lower ability to transfer heat than steel and will raise the metal tube temperatures, creating blisters and overheating failures. As the gases dissolve, oxygen, carbon dioxide, and ammonia will react with the metals in the boiler system and lead to corrosion.

To protect your boiler from these harmful contaminants, it is vital that proper chemicals, water analysis and blowdown procedures are correctly followed at all times. Contact a local reputable boiler chemical specialist, such as Garratt Callahan Company, for more information on these procedures and requirements.

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Damage to boiler tubes due to improper feedwater treatment

 

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The best time to plan for installing a temporary steam plant is before the need actually arises. Being prepared is key not only for emergency outages, but also for planned maintenance, increased capacity demand, and other factors that my call for rental equipment. 

Nationwide Boiler's Emergency Preparedness Plan was created to provide users with guidance through the contingency planning process. Inside you will learn the different types and sizes of boilers available, average boiler weights, fuel and power requirements, and more. 

Download your copy today and get to planning!

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According the the EPA's boiler MACT, major source boilers are found mostly in industrial facilities (refineries, chemical and manufacturing plants, and pulp and paper mills), and “emit 10 or more tons per year of a single air toxic, or 25 or more tons per year of a combination of air toxics”. 

The deadline to be in compliance with Boiler MACT rules is January 31, 2015 for existing major source boilers. 

Nationwide Boiler can provide immediate solutions for any last minute compliance projects. We have new and reconditioned boilers available for quick delivery, and a variety of rental boilers to supply temporary steam during a fuel conversion project. Contact us today for more information!

Additional information regarding the Boiler MACT and major source boiler requirements can be found on our Boiler MACT webpage

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Check out the Fall Edition of Today's Boiler Magazine, featuring Nationwide Boiler's Ammonia-Free CataStak. The article highlights the success of the system at a detention center in Castaic, CA, reducing NOx from 30 ppm to 3 ppm (@ 3% O2), with ammonia slip under 2 ppm.

Read the full article and contact us today to learn about the Ammonia-Free CataStak SCR system!

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